Table 4. Marker-trait association of SNP-494 with 1000 grain weight and other eight agronomic traits.

Traits	General Linear Model				Mann-Whitney U test
	p-value	R2-value	G allele effect	A allele effect	p-value
1000 grain weight	0.006**	0.036	-2.54	0.00	0.001**
Grain length	0.306	-	-	-	0.328
Grain width	0.208	-	-	-	0.218
Length-width ratio	0.026*	0.026	0.12	0.00	0.016*
Awn length	0.048*	0.019	-1.03	0.00	0.003**
Spike length	0.005**	0.037	0.84	0.00	0.007**
Grain protein content (%)	0.036*	0.003	-0.59	0.00	0.021*
Peduncle length	0.000**	0.082	-6.31	0.00	0.000**
Plant height	0.000**	0.064	-13.31	0.00	0.000**

*^, ** significant at 0.05, and 0.01 levels, respectively.